const errorTypes = require('../constants/error-types')

const errorHandler = (error, ctx) => {
  let status, message
  switch (error.message) {
    case errorTypes.NAME_OR_PASSWORD_IS_REQUIRED:
      status = 400;
      message = '用户名或者密码不能为空';
      break;
    case errorTypes.USER_IS_EXISTS:
      status = 409
      message = '用户名已经存在'
      break
    case errorTypes.USER_DOES_NOT_EXISTS:
      status = 400
      message = '用户名不存在'
      break
    case errorTypes.PASSWORD_IS_ERROR:
      status = 400
      message = '密码错误'
      break
    case errorTypes.UNAUTHORIZATION:
      status = 401
      message = '无效token'
      break
    case errorTypes.UNPERMISSION:
      status = 401
      message = '没权限，滚吧'
      break
    default:
      status = 404
      message = '啥也没有'
  }
  ctx.status = 400
  ctx.body = message;
}

module.exports = errorHandler;